The Latest: Murder charge filed in college student's killing

FILE--This undated file photo provided by the Orange County Sheriff's Department shows Blaze Bernstein. A suspect has been arrested in the death of 19-year-old University of Pennsylvania student Bernstein,whose body was found this week at a Southern California park. (Orange County Sheriff's Department via AP, file)

FILE--In this Jan. 10, 2018, file photo, Gideon and Jeanne Bernstein, parents of missing teen Blaze Bernstein, pictured at left, are joined by Orange County Sheriff's Lt. Brad Valentine, right, during a news conference in Lake Forest, Calif. A suspect has been arrested in the death of 19-year-old University of Pennsylvania student Blaze Bernstein, whose body was found this week at a Southern California park. (AP Photo/Amy Taxin, file)

SANTA ANA, Calif. — The Latest on the killing of a University of Pennsylvania student in California (all times local):

9:48 a.m.

A Southern California prosecutor says the investigation is continuing into the killing of a University of Pennsylvania student even though a murder charge has already been filed against the suspect.

Orange County District Attorney Tony Rackauckus told reporters Wednesday that investigators are looking for evidence that would support making the legal case a hate crime.

The current complaint alleges 20-year-old Samuel Woodward murdered 19-year-old Blaze Bernstein and that a knife was used in the crime.

In an affidavit obtained by the Orange County Register, Woodward told investigators he was angry after Bernstein kissed him the night they went to a park.

Bernstein's parents say the killing may have been a hate crime against their gay son.

Authorities say Bernstein was visiting his parents during winter break when he went to a park with Woodward Jan. 2. His body was found in a shallow grave there a week later. Woodward was arrested soon after.

Rackauckus says both had attended the Orange County School of the Arts. The district attorney says Woodward communicated with Bernstein by Snapchat on Jan 2 and then picked him up at his parents' house.

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8:44 a.m.

A murder charge has been filed against a suspect in the death of a University of Pennsylvania student whose body was found buried and stabbed in a Southern California park.

District Attorney Tony Rackauckus has scheduled a news conference to discuss the case.

Authorities say Bernstein was visiting his parents during his college's winter break when he went to a park with Woodward Jan. 2. His body was found in a shallow grave there a week later. Woodward was arrested soon after.

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5:49 a.m.

Prosecutors plan to announce charges in the killing of a University of Pennsylvania student found buried in a Southern California park.

Orange County District Attorney Tony Rackauckus has scheduled a news conference Wednesday morning to announce his decision on charges for 20-year-old Samuel Woodward, suspected of killing 19-year-old Blaze Bernstein.

Authorities say Bernstein was visiting his parents on winter break when he went to a park with Woodward Jan. 2. His stabbed body was found in a shallow grave there a week later. Woodward was arrested soon after.

In an affidavit obtained by the Orange County Register, Woodward told investigators he was angry after Bernstein kissed him the night they went to the park.

Bernstein's parents say the killing may have been a hate crime against their gay son.